Chromogenic Factor VIII Inhibitor Bethesda Profile Build info

Synonyms

• CHROMOGENIC FACTOR VIII INHIBITOR BETHESDA PROFILE
• CHF8P
• CM
• CG
• F8
• CHROMOP
• FACTOR 8
• LAB14177

Procedure Name

CHROMOGENIC FACTOR VIII INHIBITOR BETHESDA PROFILE

Procedure Master Number

LAB14177

Procedure ID

183715

Clinical Info

Detecting the presence and titer of a specific factor inhibitor directed againstcoagulation factor VIII for patients on emicizumab (Hemlibra) Detecting the presence and titer of an inhibitor directed against factor VIII This test is not useful for detecting the presence of inhibitors directed against other clotting factors and will not detect the presence of lupus anticoagulants.

Specimen Sources

Specimen Types

Container

Light Blue Top Tube

Collection Instructions

Container Tube:  Light Blue Top Tube
Specimen: 2 mL Platelet Poor Plasma in two vials each with 1mL
Note:  Must be separated no longer then 4 hours after collection

Specimen Volume

Transport Instructions

Frozen

Specimen Stability

14 Days Frozen

Methodology

Chromogenic

Days Performed

TAT:  3-5 Days

Performing Laboratory

Mayo Medical Laboratories

CPT

85130
85335
85390
LOINC Code: 95121-0

PDM

Only Orderable at Locations:

Results

Result Interpretation

CHROMOGENIC Factor VIII Activity Assay

       Adults: 55.0-200.0%

Normal, full-term newborn infants or healthy premature infants usually have normal or elevated factor VIII.

BETHESDA TITER

     < or =0.5 Bethesda Units

Forms